Supercritical-fluid solubilization of catalyst precursors: The solubility and phase behavior of molybdenum hexacarbonyl in supercritical carbon dioxide and application to the direct liquefaction of coal

Robert P. Warzinski, Chang Ha Lee, Gerald D. Holder

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

A method utilizing supercritical carbon dioxide for impregnating coal with catalytic amounts of molybdenum hexacarbonyl useful for promoting coal dissolution during direct liquefaction is described. Results are presented that describe the solubility and phase behavior of molybdenum hexacarbonyl in supercritical carbon dioxide at 40, 50, and 60 °C. A model based upon the Peng-Robinson equation-of-state was used both to initially predict and subsequently model the observed solubility behavior. Preliminary liquefaction results of Illinois No. 6 coal impregnated with molybdenum hexacarbonyl from supercritical carbon dioxide are also presented.

Original languageEnglish
Pages (from-to)60-71
Number of pages12
JournalThe Journal of Supercritical Fluids
Volume5
Issue number1
DOIs
Publication statusPublished - 1992 Mar

Fingerprint

liquefaction
Supercritical fluids
Coal
supercritical fluids
Liquefaction
Phase behavior
Carbon Dioxide
coal
Molybdenum
molybdenum
carbon dioxide
Carbon dioxide
solubility
Solubility
catalysts
Catalysts
impregnating
Equations of state
dissolving
Dissolution

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

Cite this

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